気象集誌. 第2輯
Online ISSN : 2186-9057
Print ISSN : 0026-1165
ISSN-L : 0026-1165
台風域内の気圧気温場の垂直構造について
笠原 彰
著者情報
ジャーナル フリー

1953 年 31 巻 1 号 p. 22-35

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抄録
To realize the vertical structure of the pressure and the temperature fields of the disturbance in a typhoon, the author has analysed these fields in Typhoon “Ruth” under a somewhat different view point. These results and features may be interpreted by the following thought that the typhoon occurs and develops in the latent unstable atmosphere whose depth is nearly equal to the depth of the troposphere.
Although the isentropic surface is convex downwards in the central part of the typhoon, this region is not that of descending current, but indeed of ascending one except for the very centre (eye). Therefore the occurrence of the high temperature part of the middle layer in the neighbourhood of the centre may not be deemed simply by the adiabatic compression by the descending air. Here we emphasize the importance of the concept of the quasi-polytropic potential temperature.
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© 社団法人 日本気象学会
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